/Engine/Source/Runtime/TypedElementRuntime/Public/Elements/Interfaces/TypedElementPrimitiveCustomDataInterface.h
virtual void SetCustomData ( const [FTypedElementHandle](API\Runtime\TypedElementFramework\Elements\Framework\FTypedElementHandle) & InElementHandle, [TArrayView](API\Runtime\Core\Containers\TArrayView)< const float > CustomDataFloats, bool bMarkRenderStateDirty )